How to change the material of the gusset?

If you want to change the material of the ceiling panel, you can follow these steps:

  1. Double-click on the area where the ceiling panel needs to be applied. Drag and place the panel from the material library on the left, then use the mouse to zoom in on the guide view at the top right corner.

  1. After finding the desired material from the texture library on the left, drag and drop it onto the ceiling panel using the mouse in the 3D interface window. After changing the material, right-click on the panel and select "Fill" to complete the process.